Solve the inequality using the x-intercept method or the intersection-of-graphs method. Express the solution set in interval notation.20z + 20 > 5(3z + 2)
A. (20, ?)
B. (-?, -2)
C. (-2, ?)
D. (-?, 20)
Answer: C
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Evaluate using substitution.
Use the Leading Coefficient Test to determine the end behavior of the polynomial function.f(x) = (x + 1)(x + 2)(x + 4)2
A. rises to the left and falls to the right B. falls to the left and falls to the right C. rises to the left and rises to the right D. falls to the left and rises to the right
Solve the problem.If a principle of P dollars is amortized over a period of t years, and payments are made each 
th of a year, with an annual interest rate of r (as a decimal), the payment p that must be made is given by the formula 
. Suppose $8200 is amortized over 5 years with an interest rate of 
. What is the monthly payment on this loan?
A. $40.99 B. -$105.65 C. $17,301.78 D. $173.02
Solve the rational inequality. Express your solution on a number line using interval notation.
? 0
A. (-?, -7] ? (1, 2]
B. [-7, 1] ? [2, ?)
C. [-7, 1) ? [2, ?)
D. (-?, -7] ? [2, ?)